_____the past 30 years,lightning has killed more than2000 people in America.A.Over B.From C.toD.After

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_____thepast30years,lightninghaskilledmorethan2000peopleinAmerica.A.OverB.FromC.toD.After_____thepas

_____the past 30 years,lightning has killed more than2000 people in America.A.Over B.From C.toD.After
_____the past 30 years,lightning has killed more than2000 people in America.A.Over B.From C.to
D.After

_____the past 30 years,lightning has killed more than2000 people in America.A.Over B.From C.toD.After
A

The population of the world has ( more than doubled in the past ten years.) more than doubled 两倍以上 因为有 as expected, than usual 这些

A
over the past 30 years在过去的三十多年里,over还可以换成in 或者during,属短语搭配。